The key to doubling the processing efficiency of copper and aluminum parts lies in the innovative design of automatic lathe fixtures, the core of which lies in the realization of "zero change" and "intelligent self-adaptation". The following are the three core technologies:

1. Pneumatic diaphragm quick change structure

Elastic diaphragm is used to replace the traditional jaw, and the clamping speed of 0.8 seconds is realized by air pressure drive. The diaphragm is embedded with a pressure sensor, which can automatically compensate for the deformation of the workpiece and reduce the traditional clamping time by 75%. It is especially suitable for the characteristics of easy deformation of copper and aluminum parts, ensuring that the parallelism of the processing surface is controlled within 0.02mm.

2. Modular combination fixture

Based on the "building block" design concept, the fixture is decomposed into standardized components such as positioning matrix, pressing unit, and support module. Through the RFID chip to automatically identify the workpiece code, the central controller automatically calls the corresponding module combination scheme to achieve complex replacement within 3 minutes, which is 4 times more efficient than traditional fixtures.

3. Thermal compensation adaptive system

In view of the large thermal expansion coefficient of aluminum, micro thermocouple and displacement sensor are integrated in the fixture. Real-time monitoring of temperature changes during processing, automatic adjustment of clamping force by servo motor, dynamic compensation of thermal deformation, so that batch processing dimensional accuracy is stable at 0.01mm, and the scrap rate is reduced by more than 80%.

After the application of this fixture, the average daily production capacity of a single automatic lathe was increased from 800 pieces to 1650 pieces, and the replacement time was reduced to 1/5 of the traditional solution. The key is to transform "passive clamping" into "active intelligent control", so that the utilization rate of machine tools exceeded 92%, and the double jump of efficiency and accuracy was truly realized.